监控量测在横龙山喇叭口隧道施工中的应用

福龙路横龙山隧道采用新奥法施工，介绍了横龙山隧道超大断面喇叭口段施工监测对围岩位移及受力变化的监控量测技术，介绍了该项目根据监控量测分析处理结果及时调整隧道预应力锚杆等支护系统设计参数。实施结果表明，周密的施工监控量测及分析工作对于确保隧道的施工安全、支护的经济合理，以及获得可靠的设计参数起到关键作用。

Application of the Monitoring and Measuring Technologies in Constructing the Henglong Mountain Tunnel

The Henglong mountain tunnel of Fulong Expressway was constructed by New Austrian Tunneling Method （NATM）. This article not only introduced the monitoring and measuring technology of construction on displacement of surrounding rock and the change of stress by mouth of a horn part of the super large section in the Henglong mountain tunnel, but also introduced the timely adjustment of supporting system design parameters such as tunnel prestressed rock bolt according to the monitoring and measurement analysis of treatment results in this project. Results showed that careful monitoring and analysis of the construction work play a key role not only in ensuring the tunnel construction safety and the economic and reasonable supporting, but also in Obtaining reliable design parameters.